Version 4
SHEET 1 3116 1508
WIRE 1568 848 1568 800
WIRE 1568 960 1568 928
WIRE 1680 1056 1648 1056
WIRE 1744 1232 1744 1200
WIRE 1824 800 1568 800
WIRE 1824 912 1824 800
WIRE 1904 1216 1904 1200
WIRE 1904 1312 1904 1296
WIRE 1904 1392 1904 1376
WIRE 2000 800 1824 800
WIRE 2000 816 2000 800
WIRE 2000 896 2000 880
WIRE 2000 976 1968 976
WIRE 2000 976 2000 960
WIRE 2000 1136 1968 1136
WIRE 2144 800 2000 800
WIRE 2144 848 2144 800
WIRE 2144 976 2000 976
WIRE 2144 976 2144 928
WIRE 2192 688 2192 640
WIRE 2192 800 2192 768
WIRE 2192 848 2192 800
WIRE 2192 976 2192 928
WIRE 2256 976 2192 976
WIRE 2272 640 2192 640
WIRE 2416 640 2336 640
WIRE 2416 672 2416 640
WIRE 2416 800 2192 800
WIRE 2416 800 2416 736
WIRE 2416 848 2416 800
WIRE 2416 976 2320 976
WIRE 2416 976 2416 912
WIRE 2448 800 2416 800
WIRE 2544 640 2416 640
WIRE 2544 848 2544 640
WIRE 2544 1056 1968 1056
WIRE 2544 1056 2544 928
WIRE 2544 1072 2544 1056
WIRE 2544 1168 2544 1152
WIRE 2704 640 2544 640
WIRE 2704 976 2416 976
WIRE 2720 640 2704 640
WIRE 2720 672 2720 640
WIRE 2720 800 2720 752
WIRE 2720 976 2704 976
WIRE 2720 1024 2720 976
WIRE 2720 1152 2720 1104
FLAG 2448 800 0
FLAG 1568 960 0
FLAG 1744 1232 0
FLAG 1904 1392 0
FLAG 2720 1152 0
FLAG 2544 1168 0
FLAG 2720 800 0
FLAG 2704 640 Out+
FLAG 2704 976 Out-
SYMBOL ind2 2208 944 R180
WINDOW 0 -4 71 Right 0
WINDOW 3 -1 39 Right 0
SYMATTR InstName L2
SYMATTR Value 5µ
SYMATTR SpiceLine Rser=0.06
SYMBOL ind2 2128 832 R0
WINDOW 0 1 37 Right 0
WINDOW 3 -1 76 Right 0
SYMATTR InstName L1
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=0.06
SYMBOL zener 1984 816 R0
WINDOW 0 37 11 Left 0
WINDOW 3 31 63 Left 0
SYMATTR InstName D3
SYMATTR Value P6KE
SYMBOL schottky 2320 960 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D1
SYMATTR Value MBRS340
SYMBOL diode 1984 960 M180
WINDOW 0 32 58 Left 0
WINDOW 3 31 5 Left 0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL VOLTAGE 1568 832 R0
SYMATTR InstName Vin
SYMATTR Value 3.3
SYMBOL CAP 1888 1312 R0
WINDOW 3 27 51 Left 0
SYMATTR Value .1µ
SYMATTR InstName C4
SYMBOL polcap 2400 848 R0
SYMATTR InstName C2
SYMATTR Value 47µ
SYMATTR SpiceLine Rser=0.01
SYMBOL RES 1888 1200 R0
SYMATTR InstName R3
SYMATTR Value 500
SYMBOL RES 2528 1056 R0
SYMATTR InstName R2
SYMATTR Value 2.49K
SYMBOL RES 2528 832 R0
SYMATTR InstName R1
SYMATTR Value 511
SYMBOL PowerProducts\\LT1370 1824 1056 R0
SYMATTR InstName U1
SYMBOL ind2 2208 784 R180
WINDOW 0 -4 71 Right 0
WINDOW 3 -1 39 Right 0
SYMATTR InstName L3
SYMATTR Value 5µ
SYMATTR SpiceLine Rser=0.06
SYMBOL polcap 2400 672 R0
SYMATTR InstName C5
SYMATTR Value 47µ
SYMATTR SpiceLine Rser=0.01
SYMBOL res 2704 1008 R0
SYMATTR InstName R4
SYMATTR Value 1.5
SYMBOL res 2704 656 R0
SYMATTR InstName R5
SYMATTR Value 1.5
SYMBOL schottky 2272 624 M90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D4
SYMATTR Value MBRS340
TEXT 2064 1216 Left 0 !.model P6KE D(Ron=10 Roff=10Meg Vfwd=.4 Vrev=15 Rrev=.01)
TEXT 2016 760 Left 0 !K1 L1 L2 L3 1
TEXT 2064 1184 Left 0 !.tran 1m startup